Thank you for your interest in the 11G by Grunow. SAMS now has a complete set of Perpetual Troubleshooter's Manuals by John F. Rider available through our website. These manuals cover radios and televisions made from 1925 to 1950. SAMS has over 48,000 Riders Repair Documents in our inventory plus over 220,000 repair manuals in the SAMS Index. We add manuals daily.

You can search the Riders Index to look for the model radio or television you are searching to find. Each Rider Index lists brands alphabetically, and under each brand the models are listed by model # or chassis #. Once you find what you are looking for just send us a manual request through our website and we can inform you of pricing and the option for electronic downloads.

If you have difficulty finding your Brand and Model in the index remember, you can always call SAMS with your questions at 1-800-428-7267.